JEE Main 2015 — Coordination Compounds Question with Solution
JEE Main 2015 (11 Apr Online)
Question
When concentrated is added to aqueous solution of , its colour changes from reddish pink to deep blue. Which complex ion gives blue colour in reaction?
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
On addition of conc. . The equilibrium between two coloured Co (II) species can be described by equation
The equilibrium is disturbed by changing the conc. of ions by addition of conc. in forward direction.
The equilibrium is disturbed by changing the conc. of ions by addition of conc. in forward direction.
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This is a previous-year question from JEE Main 2015, covering the Coordination Compounds chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.